curl --request POST \
  --url https://api.metatext.ai/v2/extract/{project_id} \
  --header 'Content-Type: application/json' \
  --data '
{
  "text": "<string>",
  "model": "<string>",
  "options": {
    "refresh": false
  }
}
'

{
  "predictions": [],
  "metadata": {}
}